Photographers' Formulary 100g Potassium Metabisulfite
Photographers' Formulary
sku: PYPMETA100G
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€ 7.31
Shipping from: United States
Description
Potassium Metabisulfite Uses
As a preservative in developers Used in place of sodium sulfite in some developers Used for acidifying fixing baths Note Replaces sodium bisulfite weight for weight. Deteriorates rapidly in air.
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